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Re: [Amps] Fwd: Re: 4 X 4-400C or 4 X 3-500Z HF amplifier

To: Bill Fuqua <wlfuqu00@uky.edu>
Subject: Re: [Amps] Fwd: Re: 4 X 4-400C or 4 X 3-500Z HF amplifier
From: Angel Vilaseca <avilaseca@bluewin.ch>
Date: Fri, 17 Dec 2010 07:44:44 +0100
List-post: <amps@contesting.com">mailto:amps@contesting.com>
Bill Fuqua a écrit :
>
>> Date: Wed, 15 Dec 2010 10:58:26 -0500
>> To: Angel Vilaseca <avilaseca@bluewin.ch>, "amps@contesting.com" 
>> <amps@contesting.com>
>> From: Bill Fuqua <wlfuqu00@uky.edu>
>> Subject: Re: [Amps] 4 X 4-400C or 4 X 3-500Z HF amplifier
>>
>> The 5CX1500A uses a socket very similar to a 4CX1500 and the 4CX1000A/B
>> You only need to arrange to ground the suppressor grid ring.
>> Compare the detailed drawing of the two tubes.
>> I have some amplifier cabinets for 5CX1500 tubes but I'd rather not
>> remove the sockets.  These are 13.56 MHz plasma generators.
>>
>> 73
>> Bill wa4lav
>>
>>
>> At 08:26 AM 12/15/2010 -0500, Angel Vilaseca wrote:
>>> Hi,
>>>
>>> I bought a NOS 5CX1500A. I plan to use it in an HF amp.
>>>
>>> Sockets for this tube are rather scarce. Has someone tried to use it in
>>> a home-made fixture?
>>>
>>> I know, a tube is supposed to be used in the original socket, but this
>>> is HF, not VHF or UHF, and there is the example of another ceramic 
>>> tube,
>>> the GS 35B, for which there is simply no socket available.
>>>
>>> So, provided the ceramic isolators receive enough airflow ( maybe I
>>> could use a couple of small computer fans) and connections and
>>> decoupling caps leads are kept short, could this work?
>>>
>>> Anyone tried this before?
>>>
>>> Vy 73
>>>
>>> Angel HB9SLV
>>>
>>>
>>> _______________________________________________
>>> Amps mailing list
>>> Amps@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/amps
>
>

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